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  <h1>AutoConnect menu</h1>

<div class="admonition info">
<p class="admonition-title">Luxbar</p>
<p>The AutoConnect menu is developed using the <a href="https://github.com/balzss/luxbar">LuxBar</a> which is licensed under the MIT License. See the <a href="license.html">License</a>.</p>
</div>
<h2 id="where-the-from"><i class="fa fa-external-link"></i> Where the from<a class="headerlink" href="#where-the-from" title="Permanent link">&para;</a></h2>
<p>The following screen will appear as the AutoConnect menu when you access to <strong>AutoConnect root URL</strong> via <code>http://{localIP}/_ac</code>. (eg. <code>http://172.217.28.1/_ac</code>) It is a top page of AutoConnect which shows the current WiFi connection statistics. To invoke the AutoConnect menu, you can tap <i class="fa fa-bars"></i> at right on top.</p>
<p><img src="images/ac.png" style="border-style:solid;border-width:1px;border-color:lightgrey;width:280px;" /></p>
<div class="admonition note">
<p class="admonition-title">AutoConnect root URL</p>
<p>It is assigned "<strong>/_ac</strong>" located on the <em>local IP address</em> of ESP8266/ESP32 module by default and can be changed with the Sketch. A local IP means Local IP at connection established or SoftAP's IP.</p>
</div>
<h2 id="right-on-top"><i class="fa fa-bars"></i> Right on top<a class="headerlink" href="#right-on-top" title="Permanent link">&para;</a></h2>
<p>Currently, AutoConnect supports six menus. Undermost menu as "HOME" returns to the home path of its sketch.</p>
<ul>
<li><strong>Configure new AP</strong>: Configure SSID and Password for new access point.</li>
<li><strong>Open SSIDs</strong>: Opens the past SSID which has been established connection from the flash.</li>
<li><strong>Disconnect</strong>: Disconnects current connection.</li>
<li><strong>Reset...</strong>: Rest the ESP8266/ESP32 module.</li>
<li><strong>Update</strong>: OTA updates. (Optional)</li>
<li><strong>HOME</strong>: Return to user home page.</li>
</ul>
<p><img src="images/menu.png" style="width:280px;" /></p>
<h2 id="configure-new-ap"><i class="fa fa-bars"></i> Configure new AP<a class="headerlink" href="#configure-new-ap" title="Permanent link">&para;</a></h2>
<p>It scans all available access points in the vicinity and display it further the WiFi signal strength and security indicator as <i class="fa fa-lock"></i> of the detected AP. Below that, the number of discovered hidden APs will be displayed. 
Enter SSID and Passphrase and tap "<strong>Apply</strong>" to start a WiFi connection. </p>
<p><img src="images/newap.png" style="border-style:solid;border-width:1px;border-color:lightgrey;width:280px;" /></p>
<p>If you want to configure with static IP, uncheck "<strong>Enable DHCP</strong>". Once the WiFi connection is established, the entered static IP<sup id="fnref:1"><a class="footnote-ref" href="#fn:1">1</a></sup> configuration will be stored to the credentials in the flash and restored to the station configuration via the <a href="#open-ssids">Open SSIDs</a> menu.</p>
<p><img src="images/newap_static.png" style="border-style:solid;border-width:1px;border-color:lightgrey;width:280px;" /></p>
<h2 id="open-ssids"><i class="fa fa-bars"></i> Open SSIDs<a class="headerlink" href="#open-ssids" title="Permanent link">&para;</a></h2>
<p>After WiFi connected, AutoConnect will automatically save the established SSID and password to the flash on the ESP module. <strong>Open SSIDs</strong> menu reads the saved SSID credentials and lists them as below. Listed items are clickable buttons and can initiate a connection to its access point.</p>
<p><img src="images/openssid.png" style="border-style:solid;border-width:1px;border-color:lightgrey;width:280px;" /></p>
<p>Also, this menu allows you to interactively delete the stored credentials. <i class="fa fa-trash-alt"></i> icon will appear next to each SSID in the Open SSIDs menu when the credential removal feature is enabled with <a href="apiconfig.html#menuitems">AutoConnectConfig::menuItems</a>. Clicking the <i class="fa fa-trash-alt"></i> on this screen will delete the SSID. This feature is disabled by default.</p>
<p><img src="images/openssid_trash.png" style="border-style:solid;border-width:1px;border-color:lightgrey;width:280px;" /></p>
<div class="admonition note">
<p class="admonition-title">Saved credentials data structure has changed</p>
<p>A structure of AutoConnect saved credentials has changed in v1.1.0 and was lost backward compatibility. Credentials saved by AutoConnect v1.0.3 (or earlier) will not display properly with AutoConnect v1.1.0. You need to erase the flash of the ESP module using the esptool before the Sketch uploading.
<div class="highlight" style="background: #272822"><pre style="line-height: 125%;"><span></span><code><span style="color: #f8f8f2">esptool</span> <span style="color: #f8f8f2">-c</span> <span style="color: #f8f8f2">esp8266</span> <span style="color: #f8f8f2">(or</span> <span style="color: #f8f8f2">esp32)</span> <span style="color: #f8f8f2">-p</span> <span style="color: #66d9ef">[COM_PORT]</span> <span style="color: #f8f8f2">erase_flash</span>
</code></pre></div></p>
</div>
<h2 id="disconnect"><i class="fa fa-bars"></i> Disconnect<a class="headerlink" href="#disconnect" title="Permanent link">&para;</a></h2>
<p>It disconnects ESP8266/ESP32 from the current connection. Also, ESP8266/ESP32 can be automatically reset after WiFi cutting by instructing with the Sketch using the <a href="api.html#autoreset">AutoConnect API</a>.</p>
<p>After tapping the <strong>Disconnect</strong>, you will not be able to reach the AutoConnect menu. Once disconnected, you will need to set the SSID again for connecting to the WLAN. </p>
<h2 id="reset"><i class="fa fa-bars"></i> Reset...<a class="headerlink" href="#reset" title="Permanent link">&para;</a></h2>
<p>Resetting the ESP8266/ESP32 module will initiate a reboot. When the module restarting, the <em>esp8266ap</em> or <em>esp32ap</em> access point will disappear from the WLAN and the ESP8266/ESP32 module will begin to reconnect a previous access point with WIFI_STA mode.</p>
<p><img src="images/resetting.png" style="width:280px;" /></p>
<div class="admonition warning">
<p class="admonition-title">Not every ESP8266 module will be rebooted normally</p>
<p>The Reset menu is using the <strong>ESP.reset()</strong> function for ESP8266. This is an almost hardware reset. In order to resume the Sketch normally, the <a href="https://github.com/esp8266/esp8266-wiki/wiki/Boot-Process#esp-boot-modes">state of GPIO0</a> is important. Since this depends on the circuit implementation for each module, not every module will be rebooted normally. See also <a href="faq.html#hang-up-after-reset">FAQ</a>.</p>
</div>
<h2 id="custom-menu-items"><i class="fa fa-bars"></i> Custom menu items<a class="headerlink" href="#custom-menu-items" title="Permanent link">&para;</a></h2>
<p>If the Sketch has custom Web pages, the AutoConnect menu lines them up with the AutoConnect's items. Details for <a href="acintro.html#custom-web-pages-in-autoconnect-menu">Custom Web pages in AutoConnect menu</a>.</p>
<h2 id="update"><i class="fa fa-bars"></i> Update<a class="headerlink" href="#update" title="Permanent link">&para;</a></h2>
<p>If you specify <a href="apiconfig.html#ota">AutoConnectConfig::ota</a> to import the OTA update feature into Sketch, an item will appear in the menu list as <strong>Update</strong>.</p>
<div class="admonition note">
<p class="admonition-title">The Update menu item will appear only AutoConnectOTA enabled</p>
<p>The Update item is displayed automatically in the menu only when <a href="apiconfig.html#ota">AutoConnectConfig::ota</a> is specified with <strong>AC_OTA_BUILTIN</strong> or <a href="otaserver.html#how-to-embed-autoconnectupdate-to-your-sketch">AutoConnectUpdate</a> is attached.</p>
</div>
<h2 id="home"><i class="fa fa-bars"></i> HOME<a class="headerlink" href="#home" title="Permanent link">&para;</a></h2>
<p>A <strong>HOME</strong> item at the bottom of the menu list is a link to the home path, and the default URI is <code>/</code> which is defined by <code>AUTOCONNECT_HOMEURI</code> in <strong>AutoConnectDefs.h</strong> header file.</p>
<div class="highlight" style="background: #272822"><pre style="line-height: 125%;"><span></span><code><span style="color: #75715e">#define AUTOCONNECT_HOMEURI     &quot;/&quot;</span>
</code></pre></div>
<p>Also, you can change the HOME path using the AutoConnect API. The <a href="api.html#home"><strong>AutoConnect::home</strong></a> function sets the URI as a link of the HOME item in the AutoConnect menu.</p>
<h2 id="applying-the-active-menu-items"><i class="fa fa-bars"></i> Applying the active menu items<a class="headerlink" href="#applying-the-active-menu-items" title="Permanent link">&para;</a></h2>
<p>Each of the above menu items can be configured with a Sketch. <a href="apiconfig.html#menuitems">AutoConnectConfig::menuItems</a> specifies the menu items that will be enabled at runtime. You can also adjust available menu items using <a href="api.html#enablemenu">AutoConnect::enableMenu</a> and <a href="api.html#disablemenu">AutoConnect::disableMenu</a> function. It is an alternative to <a href="apiconfig.html#menuitems">AutoConnectConfig::menuItems</a> and provides a shortcut to avoid using AutoConnectConfig.<br />
For example, by disabling the <a href="#configure-new-ap">Configure new AP</a> and <a href="#disconnect">Disconnect</a> item, you can prevent the configuration for unknown access points.</p>
<div class="highlight" style="background: #272822"><pre style="line-height: 125%;"><span></span><code><span style="color: #f8f8f2">AutoConnect portal;</span>
<span style="color: #f8f8f2">AutoConnectConfig config;</span>

<span style="color: #66d9ef">void</span><span style="color: #f8f8f2"> </span><span style="color: #a6e22e">setup</span><span style="color: #f8f8f2">() {</span>
<span style="color: #f8f8f2">  config.menuItems </span><span style="color: #f92672">=</span><span style="color: #f8f8f2"> AC_MENUITEM_OPENSSIDS </span><span style="color: #f92672">|</span><span style="color: #f8f8f2"> AC_MENUITEM_RESET </span><span style="color: #f92672">|</span><span style="color: #f8f8f2"> AC_MENUITEM_HOME;</span>
<span style="color: #f8f8f2">  portal.config(config);</span>
<span style="color: #f8f8f2">}</span>
</code></pre></div>
<p>Following code snippet is another way to achieve the same effect.</p>
<div class="highlight" style="background: #272822"><pre style="line-height: 125%;"><span></span><code><span style="color: #f8f8f2">AutoConnect portal;</span>

<span style="color: #66d9ef">void</span><span style="color: #f8f8f2"> </span><span style="color: #a6e22e">setup</span><span style="color: #f8f8f2">() {</span>
<span style="color: #f8f8f2">  portal.disableMenu(AC_MENUITEM_CONFIGNEW </span><span style="color: #f92672">|</span><span style="color: #f8f8f2"> AC_MENUITEM_DISCONNECT);</span>
<span style="color: #f8f8f2">  portal.config(config);</span>
<span style="color: #f8f8f2">}</span>
</code></pre></div>
<p>Here is the result of running the above sketch:</p>
<p><img src="images/applymenu.png" style="border-style:solid;border-width:1px;border-color:lightgrey;width:280px;" /></p>
<p><a href="apiconfig.html#menuitems">AutoConnectConfig::menuItems</a> section has more details.</p>
<p>AutoConnect shows and hides menu items when <a href="api.html#begin">AutoConnect::begin</a> is executed and when <a href="api.html#handleclient">AutoConnect::handleClient</a> is executed in a <code>loop</code> function. You can dynamically change the available menu items during the <em>loop()</em> by setting the show/hide items before executing those functions with <a href="api.html#enablemenu">AutoConnect::enableMenu</a> and <a href="api.html#disablemenu">AutoConnect::disableMenu</a>.</p>
<p>The current menu item settings held by AutoConnectConfig can be retrieved with the <a href="api.html#getconfig">AutoConnect::getConfig</a> function, and the code snippet to reconfigure menu items based on the <code>getConfig</code> return value is as follows:</p>
<h4 id="enable-ota-menu-on-demand-using-an-external-switch-connected-to-a-gpio">Enable OTA menu on demand using an external switch connected to a GPIO.<a class="headerlink" href="#enable-ota-menu-on-demand-using-an-external-switch-connected-to-a-gpio" title="Permanent link">&para;</a></h4>
<p><img src="images/menu_ondemand.png" width="320px" /></p>
<div class="highlight" style="background: #272822"><pre style="line-height: 125%;"><span></span><code><span style="color: #66d9ef">const</span><span style="color: #f8f8f2"> </span><span style="color: #66d9ef">int</span><span style="color: #f8f8f2"> externalSwitch </span><span style="color: #f92672">=</span><span style="color: #f8f8f2"> </span><span style="color: #ae81ff">5</span><span style="color: #f8f8f2">;  </span><span style="color: #75715e">// Assign the OTA activation switch to D1 (GPIO5).</span>
<span style="color: #f8f8f2">AutoConnect portal;</span>
<span style="color: #f8f8f2">AutoConnectConfig config;</span>

<span style="color: #66d9ef">void</span><span style="color: #f8f8f2"> </span><span style="color: #a6e22e">setup</span><span style="color: #f8f8f2">() {</span>
<span style="color: #f8f8f2">  </span><span style="color: #75715e">// The logic level of the external switch assumes active LOW.</span>
<span style="color: #f8f8f2">  </span><span style="color: #75715e">// Note: A said switch is an alternate and must retain its state.</span>
<span style="color: #f8f8f2">  pinMode(externalSwitch, INPUT_PULLUP);</span>

<span style="color: #f8f8f2">  </span><span style="color: #75715e">// Set up OTA, but hide the Update item from the menu list until an external</span>
<span style="color: #f8f8f2">  </span><span style="color: #75715e">// switch is pressed.</span>
<span style="color: #f8f8f2">  config.ota </span><span style="color: #f92672">=</span><span style="color: #f8f8f2"> AC_OTA_BUILTIN;</span>
<span style="color: #f8f8f2">  portal.config(config);</span>
<span style="color: #f8f8f2">  portal.disableMenu(AC_MENUITEM_UPDATE);</span>
<span style="color: #f8f8f2">  portal.begin(); </span>
<span style="color: #f8f8f2">}</span>

<span style="color: #66d9ef">void</span><span style="color: #f8f8f2"> </span><span style="color: #a6e22e">loop</span><span style="color: #f8f8f2">() {</span>
<span style="color: #f8f8f2">  </span><span style="color: #75715e">// Use AutoConnect::getConfig to obtain the current AutoConnectConfig values</span>
<span style="color: #f8f8f2">  </span><span style="color: #75715e">// and indicate the display state of an Update item.</span>
<span style="color: #f8f8f2">  </span><span style="color: #66d9ef">bool</span><span style="color: #f8f8f2">  menuUpdate </span><span style="color: #f92672">=</span><span style="color: #f8f8f2"> portal.getConfig().menuItems </span><span style="color: #f92672">&amp;</span><span style="color: #f8f8f2"> AC_MENUITEM_UPDATE;</span>

<span style="color: #f8f8f2">  </span><span style="color: #75715e">// Hides the Update item from the menu list depending on the state of the switch.</span>
<span style="color: #f8f8f2">  </span><span style="color: #66d9ef">if</span><span style="color: #f8f8f2"> (digitalRead(externalSwitch) </span><span style="color: #f92672">==</span><span style="color: #f8f8f2"> LOW </span><span style="color: #f92672">&amp;&amp;</span><span style="color: #f8f8f2"> </span><span style="color: #f92672">!</span><span style="color: #f8f8f2">(menuUpdate)) {</span>
<span style="color: #f8f8f2">    portal.enableMenu(AC_MENUITEM_UPDATE);</span>
<span style="color: #f8f8f2">  }</span>
<span style="color: #f8f8f2">  </span><span style="color: #66d9ef">else</span><span style="color: #f8f8f2"> {</span>
<span style="color: #f8f8f2">    portal.disableMenu(AC_MENUITEM_UPDATE);</span>
<span style="color: #f8f8f2">  }</span>

<span style="color: #f8f8f2">  portal.handleClient();</span>
<span style="color: #f8f8f2">}</span>
</code></pre></div>
<div class="admonition note">
<p class="admonition-title">enableMenu/disableMenu has no effect for custom web page items</p>
<p><em>AutoConnect::enableMenu</em> and <em>disableMenu</em> functions are not enabled to show/hide menu items for <a href="acintro.html">custom web pages</a>. They only work on AutoConnect's built-in pages<sup id="fnref:2"><a class="footnote-ref" href="#fn:2">2</a></sup>. Use the <a href="apiaux.html#menu">AutoConnectAux::menu</a> and <a href="apiaux.html#ismenu">AutoConnectAux::isMenu</a> functions to show/hide menu items for custom web pages. For more information, see <a href="acintro.html#custom-web-pages-in-autoconnect-menu">Custom Web pages in AutoConnect menu</a> section.</p>
</div>
<h2 id="attaching-to-autoconnect-menu"><i class="fa fa-bars"></i> Attaching to AutoConnect menu<a class="headerlink" href="#attaching-to-autoconnect-menu" title="Permanent link">&para;</a></h2>
<p>The AutoConnect menu can contain your sketch's web pages as extra items as a custom. It works for HTML pages implemented by the <strong>ESP8266WebServer::on</strong> handler or the <strong>WebServer::on</strong> handler for ESP32. That is, you can make them invoke the legacy web pages from the AutoConnect menu. The below screen-shot is the result of adding an example sketch for the ESP8266WebServer library known as <a href="https://github.com/esp8266/Arduino/tree/master/libraries/ESP8266WebServer/examples/FSBrowser">FSBrowser</a> to the AutoConnect menu item. It can add Edit and List items with little modification to the legacy sketch code.</p>
<div style="float:left;width:auto;height:420px;"><img style="width:auto;height:420px;" src="images/fsbmenu.png"></div>
<p><img style="margin-left:70px;width:auto;height:420px;" src="images/fsbmenu_expand.png"></p>
<p>AutoConnect allows capturing the extra pages handled with ESP8266WebServer or WebServer's legacy into the AutoConnect menu. See Section <a href="advancedusage.html#capture-the-legacy-web-pages-as-items-into-the-menu"><em>Advanced Usage</em></a> for detailed instructions on how to add the extra pages into its menu.</p>
<div class="footnote">
<hr />
<ol>
<li id="fn:1">
<p>AutoConnect does not check the syntax and validity of the entered IP address. If the entered static IPs are incorrect, it cannot connect to the access point.&#160;<a class="footnote-backref" href="#fnref:1" title="Jump back to footnote 1 in the text">&#8617;</a></p>
</li>
<li id="fn:2">
<p>AutoConnect built-in pages are predefined by the <a href="api.html#enablemenu">AC_MENUITEM_t</a> enum value.&#160;<a class="footnote-backref" href="#fnref:2" title="Jump back to footnote 2 in the text">&#8617;</a></p>
</li>
</ol>
</div>


  




                
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